1 1. store_src_rg xy = src.rg 2 2. init_lane_masks CondMask = LoopMask = RetMask = true 3 3. copy_constant gInitialized = 0xBF800000 (-1.0) 4 4. copy_constant gInitializedFromOther = 0x3F800000 (1.0) 5 5. zero_slot_unmasked gUninitialized = 0 6 6. copy_constant $0 = 0x3F800000 (1.0) 7 7. copy_slot_unmasked gUninitialized = $0 8 8. label label 0x00000000 9 9. zero_slot_unmasked [main].result(0) = 0 10 10. copy_slot_unmasked [main].result(1) = gInitializedFromOther 11 11. zero_slot_unmasked [main].result(2) = 0 12 12. copy_slot_unmasked [main].result(3) = gUninitialized 13 13. load_src src.rgba = [main].result 14